#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; i++)
#define reps(i, s, n) for(ll i = (s), i##_len = (n); i < i##_len; i++)
#define rrep(i, n) for(ll i = (n) - 1; i >= 0; i--)
#define rreps(i, e, n) for(ll i = (n) - 1; i >= (e); i--)
#define all(x) (x).begin(), (x).end()
#define sz(x) ((ll)(x).size())
#define len(x) ((ll)(x).length())

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    // ifstream in("input.txt");
    // cin.rdbuf(in.rdbuf());
    vector<vector<ll>> koma(9, vector<ll>(9, -1));
    koma[1][7] = 1;
    koma[2][8] = 2;
    koma[6][8] = 3;
    ll n;
    cin >> n;
    rep(i, n) {
        ll a, b, c, d;
        cin >> a >> b >> c >> d;
        a--; b--; c--; d--;
        koma[c][d] = koma[a][b];
        koma[a][b] = -1;
    }
    if ((koma[4][7] == 1) && (koma[3][7] == 2) && (koma[5][7] == 3)) {
        cout << "YES" << endl;
    }
    else {
        cout << "NO" << endl;
    }
    return 0;
}